CN210206447U - A exhaust gas purification device for prefabricating pump station - Google Patents
A exhaust gas purification device for prefabricating pump station Download PDFInfo
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- CN210206447U CN210206447U CN201920653638.3U CN201920653638U CN210206447U CN 210206447 U CN210206447 U CN 210206447U CN 201920653638 U CN201920653638 U CN 201920653638U CN 210206447 U CN210206447 U CN 210206447U
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- pump station
- gas purification
- prefabricated pump
- exhaust
- exhaust gas
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- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
The utility model relates to a waste gas purification device for prefabricated pump station, including the connecting pipe, prevent that the particulate matter filters cotton, photocatalytic oxidation equipment, active carbon adsorption equipment, fan and blast pipe etc, the entrance point of connecting pipe links to each other with the gas vent of prefabricated pump station, and the exit end links to each other with photocatalytic oxidation device's entry end, prevent that the particulate matter filters cotton mainly used adsorbs moisture in the waste gas and the particulate matter in the separation air, photocatalytic oxidation device's exit end links to each other with active carbon adsorption device's entry end, active carbon adsorption device's exit end links to each other with the air intake of exhaust fan, the exhaust fan mainly used is taken out the inside waste gas of equipment to exhaust gas purification equipment in, the blast pipe be used for connecting the air outlet. Waste gas generated by the prefabricated pump station is pumped to waste gas purification equipment through an axial flow fan and is purified through photocatalytic oxidation equipment and activated carbon adsorption equipment.
Description
Technical Field
The utility model relates to a waste gas purification device especially relates to a waste gas purification device for prefabricating pump station.
Background
Prefabricated pump station in the existing market is mainly applied to places and fields such as town sewage, municipal water supply and drainage, emergency drainage of rainfall flood, rainwater lifting, drainage of low-lying road surface of farmland irrigation, and the like. The prefabricated pump station can generate low-concentration H by pipeline transportation and sewage in the barrel in the working process2S、CH4、NH3Volatile organic gases (VOCs) such as CO, toxic and harmful gases, etc., wherein H2S has a foul smell, NH3Has an irritating odor, and CH4Has explosion danger, has certain potential safety hazard when workers maintain the prefabricated pump station, and can ensure that the prefabricated pump station is protected from explosion in the air4When the concentration reaches 25-30%, headache, dizziness, hypodynamia and the like can be caused, and the contact concentration is lower (70-150 mg/m3) H2S, marked by eye and upper respiratory irritation, NH3Has pungent odor and low concentration of NH3The intoxication is followed by symptoms of upper airway obstruction. At present, when a prefabricated pump station is maintained, gas in a cylinder is discharged by a fan firstly, and then workers enter the operation and maintenance, so that the discharged gas causes certain pollution to the environment, and national environmental protection regulations have relevant requirements on malodorous gas discharged into the atmosphere and occupational health, and have H-shaped requirements on H2S、NH3The exhaust gas treatment of the prefabricated pumping station is a problem to be solved urgently because of stricter and more definite emission standards.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a waste gas purification device for prefabricated pump station is provided, the waste gas that can fully purify prefabricated pump station and produce.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a waste gas purification device for prefabricated pump station, includes the connecting pipe, the entrance point of connecting pipe links to each other with the gas vent of prefabricated pump station, and the exit end links to each other with light oxygen catalytic unit's entry end, light oxygen catalytic unit's exit end links to each other with active carbon adsorption device's entry end, active carbon adsorption device's exit end links to each other with the air intake of exhaust fan, exhaust passage is connected to the air outlet of exhaust fan.
The pipe wall of the connecting pipe is provided with a plurality of air suction openings which are uniformly distributed along the axial direction of the connecting pipe.
The photo-oxidation catalytic device comprises a shell, wherein a plurality of parallel ultraviolet lamp tubes are arranged in the shell, and the ultraviolet lamp tubes are vertical to the moving direction of waste gas.
The inlet end and the outlet end of the shell are provided with catalytic plates coated with titanium dioxide, and the inner wall of the shell is coated with a titanium dioxide catalyst.
The activated carbon adsorption device comprises a box body, wherein the two sides of the moving direction of waste gas in the box body are provided with a packing area, the upper end of the packing area is provided with a charging opening, the lower end of the packing area is provided with a discharging opening, and multiple layers of activated carbon are uniformly arranged in the packing area.
And the air inlet at the inlet end and the air outlet at the outlet end of the box body are both arranged at the middle position.
The exhaust passage is an exhaust funnel, and a rain-shielding cap is arranged at the top of the exhaust funnel.
And gas detection devices are arranged at the position of the outlet end of the connecting pipe and in the exhaust channel.
Advantageous effects
Since the technical scheme is used, compared with the prior art, the utility model, have following advantage and positive effect: the utility model discloses earlier through light oxygen catalytic decomposition device with the waste gas of prefabricated pump station, play high-efficient catalytic decomposition's effect to the hydrogen sulfide in the waste gas, waste gas passes through active carbon adsorption device again, plays high-efficient adsorption effect to gases such as methane, ammonia and carbon monoxide in the waste gas, satisfies exhaust emission standard, makes the final gas that discharges through the fan reach pollution-free to realize reducing polluted environment's purpose.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1;
in the figure, 1, an air suction port; 2. a connecting pipe; 3. a photo-oxidative catalytic decomposition device; 4. an activated carbon adsorption unit; 5. an exhaust fan 6 and an exhaust funnel; 7. a rain-proof cap; 8. an ultraviolet lamp tube; 9. a catalyst plate; 10. activated carbon; 11. a charging port; 12. a discharge opening; 13. a gas detection device.
Detailed Description
The present invention will be further described with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.
The utility model discloses an embodiment relates to an exhaust gas purification device for prefabricated pump station, as shown in fig. 1, including connecting pipe 2, the entrance point of connecting pipe 2 links to each other with the gas vent of prefabricated pump station, and the exit end links to each other with light oxygen catalytic unit 3's entry end, light oxygen catalytic unit 3's exit end links to each other with active carbon adsorption device 4's entry end, active carbon adsorption device 4's exit end links to each other with the air intake of exhaust fan 5, exhaust passage is connected to exhaust fan 5's air outlet. Wherein, the exhaust passage is an exhaust funnel 6, and the top of the exhaust funnel 6 is provided with a rain-shielding cap 7.
The exhaust gas purification device of the embodiment achieves high-efficiency catalytic purification efficiency on hydrogen sulfide therein through photocatalytic oxidation, and adsorption of methane and ammonia gas is achieved through activated carbon adsorption, so that the selection of activated carbon adsorption after photocatalysis is based on the chemical characteristics of hydrogen sulfide gas, the adsorption efficiency of activated carbon adsorption on hydrogen sulfide gas is low, TiO2 photocatalysis has good catalytic efficiency on H2S and CH4, and particularly has high-efficiency catalytic action on hydrogen sulfide, so that 90% adsorption and purification can be achieved, the adsorption efficiency of activated carbon is 0.28g/g, the adsorption capacity of each activated carbon is 100 x 100mm and is 140gCH4 gas, and meanwhile, ammonia gas therein can be adsorbed and removed.
In this embodiment, the inlet end of the connecting pipe 2 is located below ground and connected to the exhaust port of the prefabricated pump station below ground, and the outlet end is located above ground and connected to the photo-oxidation catalytic device 3. Wherein, the pipe wall of the connecting pipe of the above-ground part or the below-ground part is provided with air suction openings 1, and the air suction openings 1 are uniformly distributed along the axial direction of the connecting pipe 2. Through set up a plurality of inlet scoop in the underground and can make things convenient for the waste gas suction in the prefabricated pump station, set up a plurality of inlet scoop on the ground simultaneously and can inhale more air to help and carry out high-efficient decomposition with light oxygen catalytic unit to the hydrogen sulfide in the waste gas.
The photo-oxidation catalytic device 3 comprises a shell, wherein a plurality of parallel ultraviolet lamp tubes 8 are arranged in the shell, and the ultraviolet lamp tubes 8 are perpendicular to the moving direction of waste gas, so that the removal efficiency can be maximized. Wherein, the ultraviolet lamp tube can adopt an explosion-proof lamp tube. In order to improve the decomposition effect, in the present embodiment, the inlet and outlet ends of the housing are provided with the catalytic plates 9 coated with titanium dioxide, and the inner wall of the housing is coated with a titanium dioxide catalyst, so that the decomposition of hydrogen sulfide in the exhaust gas can be accelerated.
Activated carbon adsorption device 4 in this embodiment includes the box, the both sides of the waste gas moving direction in the box are provided with the filler district, the upper end in filler district is provided with charging opening 11, and the lower extreme is provided with discharge opening 12, evenly arranged has multilayer activated carbon 10 in the filler district. Utilize the active carbon can play high-efficient adsorption to methane, ammonia and carbon monoxide in the waste gas, set up the charging opening and the lower extreme sets up the discharge opening through the upper end in the filler district, conveniently change and pack. As shown in the figures 2 and 3, the air intake of the entry end of box and the air outlet of exit end all set up at the intermediate position, so waste gas can get into from the centre, remove along both sides in the box after that, finally collect the middle export outward by the exhaust fan again, can improve the area of contact of waste gas and active carbon like this to can effectively get rid of the ammonia, this kind of arrangement mode can also improve the even air inlet of waste gas and active carbon in addition, improves purification efficiency.
In this embodiment, the gas detection devices 13 are disposed at the outlet end of the connection pipe (i.e., in the connection pipe of the above-ground portion) and in the exhaust passage (i.e., in the exhaust stack), and the two gas detection devices are connected to the control cabinet, so that the concentration of the gas entering the device and the concentration of the gas after being exhausted can be monitored in real time.
The utility model discloses earlier through light oxygen catalytic decomposition device with the waste gas of prefabricated pump station, play high-efficient catalytic decomposition's effect to the hydrogen sulfide in the waste gas, waste gas passes through active carbon adsorption device again, plays high-efficient adsorption effect to gases such as methane, ammonia and carbon monoxide in the waste gas, satisfies exhaust emission standard, makes the final gas that discharges through the fan reach pollution-free to realize reducing polluted environment's purpose.
Claims (8)
1. The utility model provides a waste gas purification device for prefabricated pump station, includes the connecting pipe, its characterized in that, the entrance point of connecting pipe links to each other with the gas vent of prefabricated pump station, and the exit end links to each other with light oxygen catalytic unit's entry end, light oxygen catalytic unit's exit end links to each other with active carbon adsorption device's entry end, active carbon adsorption device's exit end links to each other with the air intake of exhaust fan, exhaust passage is connected to the air outlet of exhaust fan.
2. The exhaust gas purification device for the prefabricated pump station according to claim 1, wherein a plurality of air suction openings are formed in the pipe wall of the connecting pipe, and are uniformly distributed along the axial direction of the connecting pipe.
3. The exhaust gas purification device for the prefabricated pump station according to claim 1, wherein the photo-oxidation catalysis device comprises a shell, a plurality of parallel ultraviolet lamp tubes are arranged in the shell, and the ultraviolet lamp tubes are perpendicular to the moving direction of the exhaust gas.
4. The exhaust gas purification device for the prefabricated pump station according to claim 3, wherein the inlet end and the outlet end of the housing are provided with catalytic plates coated with titanium dioxide, and the inner wall of the housing is coated with a titanium dioxide catalyst.
5. The exhaust gas purification device for the prefabricated pump station according to claim 1, wherein the activated carbon adsorption device comprises a box body, filling areas are arranged on two sides of the box body in the moving direction of exhaust gas, a charging opening is formed in the upper end of each filling area, a discharging opening is formed in the lower end of each filling area, and multiple layers of activated carbon are uniformly arranged in each filling area.
6. The exhaust gas purification device for the prefabricated pump station according to claim 5, wherein an air inlet at the inlet end of the box body and an air outlet at the outlet end of the box body are both arranged at the middle position.
7. The exhaust gas purification device for the prefabricated pump station according to claim 1, wherein the exhaust passage is an exhaust funnel, and a rain-shielding cap is arranged at the top of the exhaust funnel.
8. The exhaust gas purification device for the prefabricated pump station according to claim 1, wherein a gas detection device is arranged at the position of the outlet end of the connecting pipe and in the exhaust passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920653638.3U CN210206447U (en) | 2019-05-06 | 2019-05-06 | A exhaust gas purification device for prefabricating pump station |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920653638.3U CN210206447U (en) | 2019-05-06 | 2019-05-06 | A exhaust gas purification device for prefabricating pump station |
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| Publication Number | Publication Date |
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| CN210206447U true CN210206447U (en) | 2020-03-31 |
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| CN201920653638.3U Active CN210206447U (en) | 2019-05-06 | 2019-05-06 | A exhaust gas purification device for prefabricating pump station |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109999655A (en) * | 2019-05-06 | 2019-07-12 | 上海熊猫机械(集团)有限公司 | A kind of waste gas purification apparatus for prefabricated pumping plant |
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2019
- 2019-05-06 CN CN201920653638.3U patent/CN210206447U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109999655A (en) * | 2019-05-06 | 2019-07-12 | 上海熊猫机械(集团)有限公司 | A kind of waste gas purification apparatus for prefabricated pumping plant |
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